#include <bits/stdc++.h>
#include <iostream>
using namespace std;
void print() { cout << "调用最后一个函数完成计算" << endl; }
template <typename T, typename... Types>
void print(const T &firstArgs, const Types &...args) {
  cout << "first args: " << firstArgs << endl;
  print(args...);
}
int main() { print(7.5, "hello", 'a'); }
